Waterproof coating with chemical cross-linking and physical mortise and tenon with cement

A technology of chemical cross-linking and physical mortise and tenon, which is applied in the field of coatings that can chemically react with cement and concrete and can solve the problems of low adhesion between the waterproof layer and the smooth surface, easy to fall off, etc., and achieve good waterproof effect , Excellent crack resistance

Active Publication Date: 2016-01-13
XI NIU PI WATERPROOFING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coatings applied to smooth interfaces, such as plastic pipes, ceramic tile glazes, etc., due to the weak adhesion between the waterproof layer and the smooth surface, it is easier to fall off, causing water channeling and water leakage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Weigh 40 parts of neoprene rubber latex and 20 parts of SBS modified emulsified asphalt in two tanks, and stir them evenly;

[0021] (2) Add 20 parts of SBS modified emulsified asphalt to 40 parts of neoprene rubber latex under stirring, then add 1 part of isobutyltriethoxysilane, stir well, add 30 parts of white carbon black, 0.5 parts of carboxylate Sodium methylcellulose, 0.1 parts of ethylene glycol and 10 parts of water, stir evenly to obtain a waterproof coating with chemical crosslinking and physical mortise and tenon with cement

Embodiment 2

[0023] (1) Weigh 50 parts of styrene-butadiene rubber latex and 20 parts of styrene-butadiene rubber modified emulsified asphalt in two tanks, and stir evenly;

[0024] (2) Add 25 parts of styrene-butadiene rubber modified emulsified asphalt while stirring 50 parts of styrene-butadiene rubber latex, then add 1.5 parts of 3-aminopropyltriethoxysilane, stir well, and finally add 25 parts of light calcium carbonate, 0.4 1 part glycerin, 12 parts water, 0.75 part sodium polyacrylate, and stir evenly to obtain a waterproof coating with chemical crosslinking and physical mortise and tenon with cement.

Embodiment 3

[0026] (1) Weigh 30 parts of SBS rubber latex and 30 parts of rubber-modified emulsified asphalt in two tanks, and stir them evenly;

[0027] (2) Add 30 parts of rubber-modified emulsified asphalt while stirring 30 parts of SBS rubber latex, then add 2 parts of distearoyloxyisopropyl aluminate, stir evenly, and finally add 30 parts of heavy calcium carbonate and 1 part of gelatin , 20 parts of water and 0.5 parts of calcium chloride, and stir evenly to obtain a waterproof coating with chemical crosslinking and physical mortise and tenon with cement.

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PUM

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Abstract

The invention provides a waterproof coating capable of chemical crosslinking and physical mortise and tenon with cement. The waterproof coating is characterized by comprising the following raw materials by weight: 20-50 parts of a synthetic rubber latex, 20-50 parts of emulsified asphalt, 0.5-2 parts of a functional additive and 0.5-2 parts of a dispersant, 20-40 parts of a filler and 10-25 parts of water. The principle is that through coupling effect of the functional additive, part of the molecules in the synthetic rubber and most molecules in the asphalt couple into large molecules with reaction activity; when the large molecules contact with a base plane, the non-reactive molecule segments of the rubber and asphalt and the base plane form physical adsorption, and the molecular segments with reaction activity conduct react with the base plane to form chemical bond effect, so as to generate strong adhesive force; and after bonding, the coating is hardly influenced by environmental factors. Therefore, the waterproof coating provided by the invention has excellent waterproof performance.

Description

technical field [0001] The invention relates to a waterproof coating, especially a coating capable of chemically reacting with cement and concrete to bond. Background technique [0002] The waterproof paint is painted on the surface of the building. After the volatilization of the solvent or water or the chemical reaction of the components in the two paints, a thin film is formed on the surface of the building to protect the surface of the building from water, so as to prevent water and moisture. role. The waterproof performance of the waterproof coating is related to the adhesion, extensibility, elastic-plasticity, crack resistance, impermeability and weather resistance of the film formed. The bonding strength between the film and the base surface is an important indicator for testing the waterproof performance of waterproof coatings. The bonding strength is strong and the waterproof effect is good. At present, the traditional waterproof coatings on the market mainly rely...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D109/08C09D111/02C09D153/02C09D133/04C09D193/04C09D7/12
Inventor 朱方伍陈立斌陆善庆
Owner XI NIU PI WATERPROOFING TECH CO LTD
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